A pioneer in children's medicine, Dr. Cheadle had explored Western Canada in 1862 with Viscount Milton. SOURCES: http://www.hharp.org/library/gosh/doctors/walter-butler-cheadle.html photo source http://archive.org/stream/cihm_13410#page/n29/mode/2up pg 18-Cheadle ** Research by: Michelle Cabana, Saskatoon